Compare · ModelsLive · 2 picked · head to head
Claude Fable 5.2 vs Claude Opus 5
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Fable 5.2 wins on 9/9 benchmarks
Claude Fable 5.2 wins 9 of 9 shared benchmarks. Leads in knowledge · general · math.
Category leads
knowledge·Claude Fable 5.2general·Claude Fable 5.2math·Claude Fable 5.2
Hype vs Reality
Attention vs performance
Claude Fable 5.2
#1 by perf·#6 by attention
Claude Opus 5
#23 by perf·#5 by attention
Best value
Claude Opus 5
1.3x better value than Claude Fable 5.2
Claude Fable 5.2
3.6 pts/$
$24.00/M
Claude Opus 5
4.6 pts/$
$15.00/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
Anthropic
$965.0B·Tier 1
Head to head
9 benchmarks · 2 models
Claude Fable 5.2Claude Opus 5
Chess Puzzles
Claude Fable 5.2 leads by +37.9
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Claude Fable 5.2
77.9
Claude Opus 5
40.0
Ebr Bench
Claude Fable 5.2 leads by +44.8
Claude Fable 5.2
90.5
Claude Opus 5
45.7
FrontierMath-Tier-4-v2-Private
Claude Fable 5.2 leads by +26.8
Claude Fable 5.2
100.0
Claude Opus 5
73.2
FrontierMath-Tiers-1-3-v2-Private
Claude Fable 5.2 leads by +9.9
Claude Fable 5.2
100.0
Claude Opus 5
90.1
Furniture Assembly
Claude Fable 5.2 leads by +41.7
Claude Fable 5.2
85.7
Claude Opus 5
44.0
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Fable 5.2
95.7
Claude Opus 5
95.7
Mystery Game Puzzles
Claude Fable 5.2 leads by +34.1
Claude Fable 5.2
89.0
Claude Opus 5
54.8
OTIS Mock AIME 2024-2025
Claude Fable 5.2 leads by +0.8
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Fable 5.2
99.7
Claude Opus 5
98.9
SimpleQA Verified
Claude Fable 5.2 leads by +34.1
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude Fable 5.2
94.0
Claude Opus 5
59.9
Full benchmark table
| Benchmark | Claude Fable 5.2 | Claude Opus 5 |
|---|---|---|
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 77.9 | 40.0 |
Ebr Bench | 90.5 | 45.7 |
FrontierMath-Tier-4-v2-Private | 100.0 | 73.2 |
FrontierMath-Tiers-1-3-v2-Private | 100.0 | 90.1 |
Furniture Assembly | 85.7 | 44.0 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 95.7 | 95.7 |
Mystery Game Puzzles | 89.0 | 54.8 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 99.7 | 98.9 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 94.0 | 59.9 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $8.00 | $40.00 | 1.0M tokens (~500 books) | $160.00 | |
| $5.00 | $25.00 | 1.0M tokens (~500 books) | $100.00 |
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